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Updated: May 12, 2026
07:26
Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
A classification system for crestal and radicular dentoalveolar bone phenotypes
George A Mandelaris1, Brian S Vence, Alan L Rosenfeld
1Lutheran General Hospital, Park Ridge, IL 60068, USA. GMandelari@aol.com
Summary
Understanding dentoalveolar bone thickness is crucial for dental treatments. This study introduces a new classification for crestal and radicular bone phenotypes to enhance risk assessment for better esthetic and functional outcomes.
Area of Science:
- Dentistry
- Oral and Maxillofacial Surgery
- Periodontology
Background:
- Pretreatment assessment of dentoalveolar bone dimensions is vital for successful esthetic and functional outcomes.
- Existing classifications may not adequately differentiate between crestal and radicular bone zones.
- Discrepancies in anterior arches and achieving anterior protected articulation necessitate precise risk assessment.
Purpose of the Study:
- To introduce a novel classification system for dentoalveolar bone phenotypes.
- To differentiate between the alveolar crestal zone and the radicular zone.
- To classify facial bone thickness within these zones for improved interdisciplinary dentofacial therapy risk assessment.
Main Methods:
- Defining the crestal bone zone from the cementoenamel junction (CEJ) to 4 mm apical.
- Defining the radicular bone zone from 4 mm apical to the CEJ to the root apex.
- Categorizing bone phenotypes as thick (≥ 1 mm facial bone width) or thin (< 1 mm facial bone width).
Main Results:
- A new classification differentiating crestal and radicular dentoalveolar bone zones is presented.
- Bone thickness is classified as either thick (≥ 1 mm) or thin (< 1 mm) in both zones.
- This classification aids in evaluating facial bone width at specific dentoalveolar regions.
Conclusions:
- The proposed classification enhances the understanding of dentoalveolar bone phenotypes.
- Accurate assessment of crestal and radicular bone thickness improves risk stratification in dentofacial therapies.
- This system supports interdisciplinary treatment planning for esthetic and functional predictability.
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